OpenAIChatNode - ComfyUI Built-in Node Documentation

Complete documentation for the OpenAIChatNode node in ComfyUI. Learn its inputs, outputs, parameters and usage.

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This node generates text responses from an OpenAI model. It allows you to have conversations with the AI model by sending text prompts and receiving generated responses. The node supports multi-turn conversations where it can remember previous context, and it can also process images and files as additional context for the model.

Inputs

Parameter	Data Type	Required	Range	Description
prompt	STRING	Yes	-	Text inputs to the model, used to generate a response (default: empty)
persist_context	BOOLEAN	Yes	-	Persist chat context between calls for multi-turn conversation (default: True)
model	COMBO	Yes	Multiple OpenAI models available	The OpenAI model to use for generating responses
images	IMAGE	No	-	Optional image(s) to use as context for the model. To include multiple images, you can use the Batch Images node (default: None)
files	OPENAI_INPUT_FILES	No	-	Optional file(s) to use as context for the model. Accepts inputs from the OpenAI Chat Input Files node (default: None)
advanced_options	OPENAI_CHAT_CONFIG	No	-	Optional configuration for the model. Accepts inputs from the OpenAI Chat Advanced Options node (default: None)

Outputs

Output Name	Data Type	Description
output_text	STRING	The text response generated by the OpenAI model